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Finding the Fourth Proportional to 260,524.86, 359,410.16 and 153,046.41

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Solution

The fourth proportional to 260,524.86, 359,410.16 and 153,046.41 is: 211,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,524.86 : 359,410.16 = 153,046.41 : x
  2. Step 2: Convert to fraction form
    260,524.86/359,410.16 = 153,046.41/x
  3. Step 3: Cross multiply
    260,524.86x = 359,410.16 × 153,046.41
  4. Step 4: Simplify right side
    260,524.86x = 55,006,433,940.29
  5. Step 5: Solve for x
    x = 55,006,433,940.29/260,524.86
  6. Step 6: Final answer
    x = 211,136.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.